# Koi Shape vs Khalisthenics

The clearest difference is ads: Khalisthenics at none against Koi Shape's shown. Khalisthenics also leads on update cadence (every 4 days vs monthly). Koi Shape's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Koi Shape ships an update monthly, Khalisthenics every 4 days. The most recent releases landed on September 20, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Koi Shape | Khalisthenics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/khalisthenics/id6754946080/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Free |
| Size | 26 MB | 82 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [QUY DIEN LE](https://appshunter.io/developer/1745588028) | [Ryan Khalil](https://appshunter.io/developer/1851063697) |

## What reviewers say

### Koi Shape

[App page](https://appshunter.io/ios/app/koi-shape/id6745516636)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Khalisthenics

[App page](https://appshunter.io/ios/app/khalisthenics/id6754946080)

This AI-powered fitness coach analyzes your workouts in real-time, providing instant feedback on your form. Track 33 points on your body in 3D to improve range of motion, alignment, and stability. Works offline with local processing for privacy.

**Highlights:** Real-time 3D form analysis, Instant rep feedback, Post-workout analytics, Automatic logging, Progress tracking, Offline functionality, Local data processing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Koi Shape free?

Koi Shape is free to download, with no in-app purchases.

### Is Khalisthenics free?

Khalisthenics is free to download, with no in-app purchases.

### Do Koi Shape or Khalisthenics have ads?

Koi Shape shows ads; Khalisthenics does not.

### Which is updated more often, Koi Shape or Khalisthenics?

Koi Shape ships an update monthly, and Khalisthenics every 4 days. Most recently, Koi Shape was updated on September 20, 2026 and Khalisthenics on September 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*